Find x3 − 2y2 − 3x3 + z4 if x = 3, y = 5, and z = −3.

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?